diff options
author | Tadeusz Struk <tadeusz.struk@intel.com> | 2015-08-07 18:34:25 (GMT) |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-08-10 15:20:16 (GMT) |
commit | ed8ccaef52fa03fb03cff45b380f72c9f869f273 (patch) | |
tree | 5167f1c5a30a07783ce623b82af46ac5dce8fff5 /drivers/crypto/qat/qat_common/adf_accel_devices.h | |
parent | a57331394cf5228555dbf4bca21abb2fc1597f04 (diff) | |
download | linux-ed8ccaef52fa03fb03cff45b380f72c9f869f273.tar.xz |
crypto: qat - Add support for SRIOV
Add code that enables SRIOV on dh895xcc devices.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_accel_devices.h')
-rw-r--r-- | drivers/crypto/qat/qat_common/adf_accel_devices.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h index a7d3d11..ca853d5 100644 --- a/drivers/crypto/qat/qat_common/adf_accel_devices.h +++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h @@ -46,13 +46,17 @@ */ #ifndef ADF_ACCEL_DEVICES_H_ #define ADF_ACCEL_DEVICES_H_ +#include <linux/interrupt.h> #include <linux/module.h> #include <linux/list.h> #include <linux/io.h> +#include <linux/ratelimit.h> #include "adf_cfg_common.h" #define ADF_DH895XCC_DEVICE_NAME "dh895xcc" +#define ADF_DH895XCCVF_DEVICE_NAME "dh895xccvf" #define ADF_DH895XCC_PCI_DEVICE_ID 0x435 +#define ADF_DH895XCCIOV_PCI_DEVICE_ID 0x443 #define ADF_PCI_MAX_BARS 3 #define ADF_DEVICE_NAME_LENGTH 32 #define ADF_ETR_MAX_RINGS_PER_BANK 16 @@ -79,6 +83,7 @@ struct adf_bar { struct adf_accel_msix { struct msix_entry *entries; char **names; + u32 num_entries; } __packed; struct adf_accel_pci { @@ -99,6 +104,7 @@ enum dev_sku_info { DEV_SKU_2, DEV_SKU_3, DEV_SKU_4, + DEV_SKU_VF, DEV_SKU_UNKNOWN, }; @@ -113,6 +119,8 @@ static inline const char *get_sku_info(enum dev_sku_info info) return "SKU3"; case DEV_SKU_4: return "SKU4"; + case DEV_SKU_VF: + return "SKUVF"; case DEV_SKU_UNKNOWN: default: break; @@ -140,6 +148,8 @@ struct adf_hw_device_data { uint32_t (*get_etr_bar_id)(struct adf_hw_device_data *self); uint32_t (*get_num_aes)(struct adf_hw_device_data *self); uint32_t (*get_num_accels)(struct adf_hw_device_data *self); + uint32_t (*get_pf2vf_offset)(uint32_t i); + uint32_t (*get_vintmsk_offset)(uint32_t i); enum dev_sku_info (*get_sku)(struct adf_hw_device_data *self); int (*alloc_irq)(struct adf_accel_dev *accel_dev); void (*free_irq)(struct adf_accel_dev *accel_dev); @@ -151,7 +161,9 @@ struct adf_hw_device_data { void (*exit_arb)(struct adf_accel_dev *accel_dev); void (*get_arb_mapping)(struct adf_accel_dev *accel_dev, const uint32_t **cfg); + void (*disable_iov)(struct adf_accel_dev *accel_dev); void (*enable_ints)(struct adf_accel_dev *accel_dev); + int (*enable_vf2pf_comms)(struct adf_accel_dev *accel_dev); const char *fw_name; const char *fw_mmp_name; uint32_t fuses; @@ -165,6 +177,7 @@ struct adf_hw_device_data { uint8_t num_accel; uint8_t num_logical_accel; uint8_t num_engines; + uint8_t min_iov_compat_ver; } __packed; /* CSR write macro */ @@ -189,6 +202,15 @@ struct adf_fw_loader_data { const struct firmware *mmp_fw; }; +struct adf_accel_vf_info { + struct adf_accel_dev *accel_dev; + struct tasklet_struct vf2pf_bh_tasklet; + struct mutex pf2vf_lock; /* protect CSR access for PF2VF messages */ + struct ratelimit_state vf2pf_ratelimit; + u32 vf_nr; + bool init; +}; + struct adf_accel_dev { struct adf_etr_data *transport; struct adf_hw_device_data *hw_device; @@ -202,6 +224,21 @@ struct adf_accel_dev { struct list_head list; struct module *owner; struct adf_accel_pci accel_pci_dev; + union { + struct { + /* vf_info is non-zero when SR-IOV is init'ed */ + struct adf_accel_vf_info *vf_info; + } pf; + struct { + char *irq_name; + struct tasklet_struct pf2vf_bh_tasklet; + struct mutex vf2pf_lock; /* protect CSR access */ + struct completion iov_msg_completion; + uint8_t compatible; + uint8_t pf_version; + } vf; + }; + bool is_vf; uint8_t accel_id; } __packed; #endif |